54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package dns
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import (
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"fmt"
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)
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// Retrieve the MX records for miek.nl.
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func ExampleMX() {
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config, _ := ClientConfigFromFile("/etc/resolv.conf")
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c := new(Client)
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m := new(Msg)
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m.SetQuestion("miek.nl.", TypeMX)
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m.RecursionDesired = true
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r, _, err := c.Exchange(m, config.Servers[0]+":"+config.Port)
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if err != nil {
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return
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}
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if r.Rcode != RcodeSuccess {
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return
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}
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for _, a := range r.Answer {
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if mx, ok := a.(*MX); ok {
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fmt.Printf("%s\n", mx.String())
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}
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}
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}
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// Retrieve the DNSKEY records of a zone and convert them
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// to DS records for SHA1, SHA256 and SHA384.
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func ExampleDS(zone string) {
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config, _ := ClientConfigFromFile("/etc/resolv.conf")
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c := new(Client)
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m := new(Msg)
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if zone == "" {
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zone = "miek.nl"
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}
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m.SetQuestion(Fqdn(zone), TypeDNSKEY)
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m.SetEdns0(4096, true)
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r, _, err := c.Exchange(m, config.Servers[0]+":"+config.Port)
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if err != nil {
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return
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}
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if r.Rcode != RcodeSuccess {
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return
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}
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for _, k := range r.Answer {
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if key, ok := k.(*DNSKEY); ok {
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for _, alg := range []int{SHA1, SHA256, SHA384} {
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fmt.Printf("%s; %d\n", key.ToDS(alg).String(), key.Flags)
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}
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}
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}
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}
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